DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P0127 | IAT SENSOR-B1 (Intake air temperature too high) | Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: This test may be conducted with the drive wheels lifted in the shop or by driving the vehicle. If a road test is expected to be easier, it is unnecessary to lift the vehicle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT
NOTE: Perform the following steps before engine coolant temperature is above 96°C (205°F).
CAUTION: Always drive vehicle at a safe speed.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected? YES >> Proceed to EC-221, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to EM-24, "Exploded View".
2.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK INTAKE AIR TEMPERATURE SENSOR
Monitor item | Condition | Value (Approx.) | |
INT/A TEMP SEN | Temperature [°C (°F)] | 25 (77) | 1.9 - 2.1 (V) |
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace mass air flow sensor (with intake air temperature sensor). Refer to EM-24, "Exploded View".
Drive belt
QR25DE engine
Crankshaft pulley
Drive belt automatic tensioner pulley
Water pump pulley
Generator pulley
Air conditioner pulley
WARNINGBe sure the ignition switch is placed in the
OFF or LOCK position before servicing
drive belt. The engine cou ...
Air bags, seat belts and child restraints
Supplemental front-impact air bags
Occupant classification sensor (weight sensor)
Seat belts
Head restraints/headrests
Roof-mounted curtain side-impact and rollover supplemental air bag
2nd row center position top tether strap (located on ceiling) ...
P0890 TCM
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0890
TCM
(Transmission Control Module Power Relay
Sense Circuit Low)
When all of the following conditions are satisfied and this state is
maint ...